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Mathematics 13 Online
OpenStudy (anonymous):

Can someone tell me if this is right?? finding the slant height.. i got 473.96

OpenStudy (anonymous):

OpenStudy (amistre64):

what does it mean by slant height? the edge or the face?

OpenStudy (anonymous):

idk.. it just says find the slant height of the regular pyramid

OpenStudy (amistre64):

i googled it and it says slant height is the distance up the face. that distance is equal to sqrt(15^2 + 6^2) sqrt(225 + 36) = sqrt(261) right?

OpenStudy (amistre64):

16.155 is what I get.....

OpenStudy (anonymous):

okay.. i got 17.2

OpenStudy (amistre64):

the slant height is just the hypotenuse of he right triangle that is formed by 15 and 12/2

OpenStudy (anonymous):

I agree with Amiestre64

OpenStudy (amistre64):

dont let the hero title fool ya..... im just an idiot in disguise :)

OpenStudy (amistre64):

i got 2 hours to write up a paragraph on how well Johnson and Johnson company would be as a stock purchase...... procrastinating :)

OpenStudy (anonymous):

Indeed. \[15^2 + 6^2 = \text{Slant height}^2\] \[ \rightarrow \text{Slant height} = \sqrt{15^2 + 6^2} = \sqrt{225+36} = \sqrt{261} \approx 16.1555\]

OpenStudy (anonymous):

slant height for this one

OpenStudy (anonymous):

Employ the same technique.

OpenStudy (amistre64):

is that a 13 or an 18?

OpenStudy (anonymous):

18

OpenStudy (anonymous):

The 'legs' of the hypotenuse are 5 an 18

OpenStudy (amistre64):

sqrt(5^2 + 13^2) then sqrt(25 + 196)

OpenStudy (amistre64):

er.... 169 :)

OpenStudy (anonymous):

OpenStudy (amistre64):

........ugh, maybe I do need to write that paragraph lol

OpenStudy (amistre64):

18^2 not 13^2

OpenStudy (amistre64):

8 and 1 are your legs there

OpenStudy (anonymous):

where did the one come from

OpenStudy (amistre64):

since the height of thing comes down to the middle of a side, the length you use for the bottom leg is just half of a side....2/2 = 1

OpenStudy (anonymous):

oh

OpenStudy (anonymous):

so for this one slant height is 18.68

OpenStudy (anonymous):

this one slant height = 8.06

OpenStudy (anonymous):

I get 8.246 for that last one.

OpenStudy (anonymous):

Oh wait no. You're right.

OpenStudy (anonymous):

8.06

OpenStudy (anonymous):

it would be ft ^2 right

OpenStudy (anonymous):

No. You have \[\sqrt{ft^2 + ft^2} \] So it will be in ft.

OpenStudy (anonymous):

ok

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